ol {
 list-style-type: decimal;
}
ol ol {
 padding-left:2em;
 list-style-type: lower-alpha;
}
ol ol ol {
 list-style-type: lower-roman;
}
ol ol ol ol {
 list-style-type: decimal;
}
ol ol ol ol ol {
 list-style-type: lower-alpha;
}

img {
	padding: 5px ;
}

code {
	border: 1px solid black ;
	background-color: #EEEEEE;
	display: block ;
	padding: 3px;
	margin: 5px;
}